From: Miao Wang via B4 Relay <devnull+shankerwangmiao.gmail.com@kernel.org>
To: Binbin Zhou <zhoubinbin@loongson.cn>,
Chong Qiao <qiaochong@loongson.cn>, Lee Jones <lee@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
Corey Minyard <corey@minyard.net>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>
Cc: Xi Ruoyao <xry111@xry111.site>, WANG Xuerui <kernel@xen0n.name>,
Yinbo Zhu <zhuyinbo@loongson.cn>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
mfd@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org,
openipmi-developer@lists.sourceforge.net,
Miao Wang <shankerwangmiao@gmail.com>
Subject: [PATCH RFC v3 3/7] mfd: ls2kbmc: Redraw using exported functions
Date: Fri, 10 Jul 2026 01:24:19 +0800 [thread overview]
Message-ID: <20260710-ls2kbmc-mod-v3-3-ef718636e78e@gmail.com> (raw)
In-Reply-To: <20260710-ls2kbmc-mod-v3-0-ef718636e78e@gmail.com>
From: Miao Wang <shankerwangmiao@gmail.com>
Use update_screen, i.e. redraw_screen() to trigger the redraw of the
current vt.
Fixes: d952bba3fbb5 ("mfd: ls2kbmc: Add Loongson-2K BMC reset function support")
Signed-off-by: Miao Wang <shankerwangmiao@gmail.com>
---
drivers/mfd/ls2k-bmc-core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/ls2k-bmc-core.c b/drivers/mfd/ls2k-bmc-core.c
index b02e4955e9b04f517892a18b2ef103b5e481a238..a5465c42a77b8b7b81e3ad787d6036679c6ba6df 100644
--- a/drivers/mfd/ls2k-bmc-core.c
+++ b/drivers/mfd/ls2k-bmc-core.c
@@ -25,6 +25,7 @@
#include <linux/platform_device.h>
#include <linux/stop_machine.h>
#include <linux/vt_kern.h>
+#include <linux/console.h>
/* LS2K BMC resources */
#define LS2K_DISPLAY_RES_START (SZ_16M + SZ_2M)
@@ -310,7 +311,9 @@ static void ls2k_bmc_events_fn(struct work_struct *work)
if (IS_ENABLED(CONFIG_VT)) {
/* Re-push the display due to previous PCI-E loss. */
- set_console(vt_move_to_console(MAX_NR_CONSOLES - 1, 1));
+ console_lock();
+ update_screen(vc_cons[fg_console].d);
+ console_unlock();
}
}
--
2.49.0
WARNING: multiple messages have this Message-ID (diff)
From: Miao Wang <shankerwangmiao@gmail.com>
To: Binbin Zhou <zhoubinbin@loongson.cn>,
Chong Qiao <qiaochong@loongson.cn>, Lee Jones <lee@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
Corey Minyard <corey@minyard.net>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>
Cc: Xi Ruoyao <xry111@xry111.site>, WANG Xuerui <kernel@xen0n.name>,
Yinbo Zhu <zhuyinbo@loongson.cn>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
mfd@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org,
openipmi-developer@lists.sourceforge.net,
Miao Wang <shankerwangmiao@gmail.com>
Subject: [PATCH RFC v3 3/7] mfd: ls2kbmc: Redraw using exported functions
Date: Fri, 10 Jul 2026 01:24:19 +0800 [thread overview]
Message-ID: <20260710-ls2kbmc-mod-v3-3-ef718636e78e@gmail.com> (raw)
In-Reply-To: <20260710-ls2kbmc-mod-v3-0-ef718636e78e@gmail.com>
Use update_screen, i.e. redraw_screen() to trigger the redraw of the
current vt.
Fixes: d952bba3fbb5 ("mfd: ls2kbmc: Add Loongson-2K BMC reset function support")
Signed-off-by: Miao Wang <shankerwangmiao@gmail.com>
---
drivers/mfd/ls2k-bmc-core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/ls2k-bmc-core.c b/drivers/mfd/ls2k-bmc-core.c
index b02e4955e9b04f517892a18b2ef103b5e481a238..a5465c42a77b8b7b81e3ad787d6036679c6ba6df 100644
--- a/drivers/mfd/ls2k-bmc-core.c
+++ b/drivers/mfd/ls2k-bmc-core.c
@@ -25,6 +25,7 @@
#include <linux/platform_device.h>
#include <linux/stop_machine.h>
#include <linux/vt_kern.h>
+#include <linux/console.h>
/* LS2K BMC resources */
#define LS2K_DISPLAY_RES_START (SZ_16M + SZ_2M)
@@ -310,7 +311,9 @@ static void ls2k_bmc_events_fn(struct work_struct *work)
if (IS_ENABLED(CONFIG_VT)) {
/* Re-push the display due to previous PCI-E loss. */
- set_console(vt_move_to_console(MAX_NR_CONSOLES - 1, 1));
+ console_lock();
+ update_screen(vc_cons[fg_console].d);
+ console_unlock();
}
}
--
2.49.0
next prev parent reply other threads:[~2026-07-09 17:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-09 17:24 [PATCH RFC v3 0/7] mfd: ls2kbmc: multiple fixes for this driver Miao Wang via B4 Relay
2026-07-09 17:24 ` Miao Wang
2026-07-09 17:24 ` [PATCH RFC v3 1/7] mfd: ls2kbmc: Make a copy when parsing mode string Miao Wang via B4 Relay
2026-07-09 17:24 ` Miao Wang
2026-07-23 11:29 ` Lee Jones
2026-07-23 12:02 ` Miao Wang
2026-07-23 12:14 ` Miao Wang
2026-07-23 13:10 ` Lee Jones
2026-07-09 17:24 ` [PATCH RFC v3 2/7] mfd: ls2kbmc: Sanity check for the connected pci port Miao Wang via B4 Relay
2026-07-09 17:24 ` Miao Wang
2026-07-09 17:24 ` Miao Wang via B4 Relay [this message]
2026-07-09 17:24 ` [PATCH RFC v3 3/7] mfd: ls2kbmc: Redraw using exported functions Miao Wang
2026-07-09 17:24 ` [PATCH RFC v3 4/7] mfd: ls2kbmc: Cancel the work queue on removal Miao Wang via B4 Relay
2026-07-09 17:24 ` Miao Wang
2026-07-09 17:24 ` [PATCH RFC v3 5/7] ipmi: ls2k: Relax the dependency to its mfd driver Miao Wang via B4 Relay
2026-07-09 17:24 ` Miao Wang
2026-07-09 17:24 ` [PATCH RFC v3 6/7] mfd: ls2kbmc: Able to be compiled as a module Miao Wang via B4 Relay
2026-07-09 17:24 ` Miao Wang
2026-07-09 17:24 ` [PATCH RFC v3 7/7] mfd: ls2kbmc: Capture the reset event of BMC through GPIO Miao Wang via B4 Relay
2026-07-09 17:24 ` Miao Wang
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